package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class JDBCDemo9 {
    public static void main(String[] args) {
        try ( Connection connection=DBUtil.getConnection();){
           connection.setAutoCommit(false);
           String sql="UPDATE user "+
                   "SET password=?,nickname=?,age=? "+
                   "WHERE id=?";
            PreparedStatement ps=connection.prepareStatement(sql);
            ps.setString(1,"123456");
            ps.setString(2,"小花花");
            ps.setInt(3,18);
            ps.setInt(4,1);
            int num=ps.executeUpdate();
            System.out.println(num>0?"修改成功":"修改失败");

            connection.commit();
            System.out.println("事务提交了，修改算数了");

        } catch (SQLException e) {
            e.printStackTrace();
        }

    }
}
